84897042 has 16 divisors (see below), whose sum is σ = 170284800. Its totient is φ = 28217232.

The previous prime is 84897041. The next prime is 84897049. The reversal of 84897042 is 24079848.

It is a junction number, because it is equal to n+sod(n) for n = 84896985 and 84897003.

It is not an unprimeable number, because it can be changed into a prime (84897041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18178 + ... + 22365.

It is an arithmetic number, because the mean of its divisors is an integer number (10642800).

Almost surely, 2^84897042 is an apocalyptic number.

84897042 is an abundant number, since it is smaller than the sum of its proper divisors (85387758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84897042 is a wasteful number, since it uses less digits than its factorization.

84897042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40897.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 84897042 is about 9213.9590839118. The cubic root of 84897042 is about 439.5053704752.

The spelling of 84897042 in words is "eighty-four million, eight hundred ninety-seven thousand, forty-two".